<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
        <header>
            <div id="logo">
                <img src="/MyCommunity/static/css/images/logo.png" alt="" />
            </div>
            <nav class="navbar navbar-default" >
                <div class="navbar-header">
                    <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navbar-collapse-menu">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                    <a class="navbar-brand" href="#">首页</a>
                </div>
                <div class="collapse navbar-collapse" id="navbar-collapse-menu">
                    <ul class="nav navbar-nav">
                        <li class="active"><a href="#">个人主页</a></li>
                        <li class="dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown">我的邮箱<b class="caret"></b></a>
                            <ul class="dropdown-menu">
                                <li><a href="#">收件箱</a></li>
                                <li><a href="#">发件箱</a></li>
                                <li class="divider"></li>
                                <li><a href="#">回收站</a></li>
                            </ul>
                        </li>
                    </ul>
                    <form class="navbar-form navbar-left" role="search">
                        <div class="form-group">
                            <input type="text" class="form-control" placeholder="主题">
                        </div>
                        <button type="submit" class="btn btn-default">搜索</button>
                    </form>
                    <ul class="nav navbar-nav navbar-right">
                        <li><a href="#">登录</a></li>
                        <li><a href="#">注册</a></li>
                    </ul>
                </div>
            </nav>
        </header>
  